First of all, I would like to share the great pleasure of the successful five-day symposium with every participant in the 5th Iketani Conference which was held in Kagoshima from April1S (Tuesday) to 22 (Saturday), 1995. Outstanding speakers enthusiastically presented their up-to-the-minute results. Relatively little time was allotted for each presentation to ensure asdnuch time. as possible for intensive discussions on the particular topics that had just been p esented: I was delighted to see that the lectures were of high quality, and the discu, ssionswere lively, exciting, and productive in...